...                  
                ...                  
                ...   #########      
                #.#   #.......#      
                #.#   #.......#      
                #.#   #.......#      
                #.#   #....l..#      
               ##.##  #.......#      
              ##.#.## #.......#######
              #.###.# #.##...........
              ##.#.## #.#####.##.### 
               ##.##  #.......#  #   
                #.#   #.......##.#   
          #######.#####..........#   
      #####......................#   
      #.......###.#####..#.##.####   
     .......#.###........#.##.#      
     ##.##.....##.#####.......#      
      #. ##.#..##.#####.#...###      
∆     #.###.#..##.......#...#        
      #...........#######...#        
      ###........###    #...#        
  #######.####.....#    #...#        
  #.........##)....##   #...#        
  #......)#.#.......#   #...#        
  #.......#...........  .....        
  #.<.....#...........               
  #......##......#....               
  #......##......##.##               
  #.................#                
  ############.######                
              .#                     
              .#